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How low a latency can HiFiBerry DAC+ operate at with jackd?

Posted: Wed Apr 03, 2019 1:18 am
by crocket
"jackd -R -d alsa -p 512 -n 2 -r 48000" (latency // 21.4ms)
"jackd -R -d alsa -p 256 -n 2 -r 48000" (latency // 10.7ms)
"jackd -R -d alsa -p 128 -n 2 -r 48000" (latency // 5.4ms)
"jackd -R -d alsa -p 64 -n 2 -r 48000" (latency // 2.7ms)

Can it achieve 2.7ms of latency "reliably" when multiple JACK clients are connected to it?